PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12276Pump,rotary

Rothenberger Usa Inc · NSN 4320-01-055-5911 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-055-5911 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-055-5911. Primary manufacturer part number: 12276.
Features
  • Pump,rotary — FSC 4320
  • Media for Which Designed: OIL
  • Discharge Connection Type: THREADED INTERNAL
  • Drive Shaft Type: PLAIN ROUND
  • Features Provided: INTEGRAL RELIEF VALVE
  • Discharge Connection Quantity: 1
  • Intake Connection Type: THREADED INTERNAL
  • Intake Connection Quantity: 1
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Pump,rotary, cataloged under National Stock Number 4320-01-055-5911, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Rothenberger Usa Inc. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-055-5911
Primary Part Number12276
Item NamePump,rotary
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerRothenberger Usa Inc
StatusACTIVE
Media for Which DesignedOIL
Discharge Connection TypeTHREADED INTERNAL
Drive Shaft TypePLAIN ROUND
Features ProvidedINTEGRAL RELIEF VALVE
Discharge Connection Quantity1
Intake Connection TypeTHREADED INTERNAL
Intake Connection Quantity1
Pumping Element Operating PositionHORIZONTAL
Rotary Pump DesignGEAR
Control LocationRIGHT SIDE
Operation MethodPOWERED
Volume Control TypePRESSURE COMPENSATION
Drive Connection TypeRIGID COUPLED
Pump Rotation DirectionCLOCKWISE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5330-00-073-043412276 INTERCHANGEABLE
Packing,preformed
Funk Mfg Co Sub of Deere and Co
3110-00-155-9618056-4 INTERCHANGEABLE
Bearing,ball,annular
Lockheed Martin Corporation Div Rms - Mitchel Field
1560-00-210-933612276 INTERCHANGEABLE
Fairing Assembly,fr
Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company
5930-00-369-8362 INTERCHANGEABLE
Switch Section,rotary
5120-00-723-6833ET10 INTERCHANGEABLE
Extractor,screw Thread Insert
Helical Wire Inc
2915-00-732-539012317B INTERCHANGEABLE
Spraybar,main
Collins Engine Nozzles, Inc
1660-00-780-622312276 INTERCHANGEABLE
Diaphragm Assembly
Grimes Aerospace Company
5320-00-800-57046L4141-09 INTERCHANGEABLE
Rivet,tubular
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
4730-00-880-35395672052 INTERCHANGEABLE
Clamp,hose
Tridon Tennessee Inc
5120-01-045-489512276 INTERCHANGEABLE
Key,socket Head Screw
Bondhus Corp
Cross-Reference Index
Part NumberManufacturer
12276 Rothenberger Usa Inc (USA)
Related Parts
5330-00-073-0434INTERCHANGEABLE
PACKING,PREFORMED
12276
3110-00-155-9618INTERCHANGEABLE
BEARING,BALL,ANNULAR
056-4
1560-00-210-9336INTERCHANGEABLE
FAIRING ASSEMBLY,FR
12276
5930-00-369-8362INTERCHANGEABLE
SWITCH SECTION,ROTARY
5120-00-723-6833INTERCHANGEABLE
EXTRACTOR,SCREW THREAD INSERT
ET10
2915-00-732-5390INTERCHANGEABLE
SPRAYBAR,MAIN
12317B
1660-00-780-6223INTERCHANGEABLE
DIAPHRAGM ASSEMBLY
12276
5320-00-800-5704INTERCHANGEABLE
RIVET,TUBULAR
6L4141-09
4730-00-880-3539INTERCHANGEABLE
CLAMP,HOSE
5672052
5120-01-045-4895INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
12276
6525-01-574-4847INTERCHANGEABLE
POWER SUPPLY,ERASER,COMPUTED RAD
900-0029

Frequently Asked Questions

What is NSN 4320-01-055-5911?

NSN 4320-01-055-5911 is a Pump,rotary, manufactured by Rothenberger Usa Inc, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-055-5911?

NSN 4320-01-055-5911 has 1 cross-referenced part number: 12276 (Rothenberger Usa Inc).

What NSN replaces 4320-01-055-5911?

There are 11 known substitutes for 4320-01-055-5911: 5330-00-073-0434, 3110-00-155-9618, 1560-00-210-9336 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12276?

Key specifications for 12276: Media for Which Designed: OIL; Discharge Connection Type: THREADED INTERNAL; Drive Shaft Type: PLAIN ROUND; Features Provided: INTEGRAL RELIEF VALVE. 14 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com